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Chi-square Analysis

Chi-square Analysis

The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...

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Related Experiment Video

Updated: Jul 7, 2026

The Rodent Psychomotor Vigilance Test rPVT: A Method for Assessing Neurobehavioral Performance in Rats and Mice

The Rodent Psychomotor Vigilance Test rPVT: A Method for Assessing Neurobehavioral Performance in Rats and Mice

Published on: December 29, 2016

Response to Piscitello et al

Gloria D Coronado¹, Carolyn Rutter², Pedro Nascimento De Lima^3,4

¹University of Arizona College of Public Health, and University of Arizona Cancer Center, Tucson, AZ, USA.

Journal of the National Cancer Institute

|March 20, 2026

Summary

No abstract available in PubMed .

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